Not exactly true, Rock wool is a great material for this purpose and is cheap and safe. It’s just that these products originated in the high end music world for recording studios or fancy setups in millionaire houses, so they just charge whatever they want.
Not exactly true, Rock wool is a great material for this purpose and is cheap and safe. It’s just that these products originated in the high end music world for recording studios or fancy setups in millionaire houses, so they just charge whatever they want.
So they’re incredibly expensive?
Right, but it’s not really because of the material. Also you can very much DIY for much cheaper.